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Home > Products > Integrated Circuits (ICs) > Interface > Sensor and Detector Interfaces

Microchip Technology MCP96RL00-E/MX

Name: MCP96RL00-E/MX
Brand: Microchip Technology
SKU: MCP96RL00-E/MX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MCP96RL00-E/MX

Manufacturer:: Microchip Technology

Category:: Sensor and Detector Interfaces

Package:: 20-VQFN Exposed Pad

Datasheet:: MCP96RL00-E/MX.pdf

Description:: THERMOCOUPLE I2C CONVERTER

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Product details

Overview

MCP96RL00-E/MX from Microchip Technology Inc. is a thermocouple EMF-to-°C converter IC with integrated cold-junction compensation, ±4.0°C/±8.0°C (typ./max.) hot-junction accuracy for Type K/J/T/N/E/B/S/R thermocouples, 0.0625°C measurement resolution, and I²C-compatible two-wire interface operating at 100 kHz - used in industrial oven temperature monitoring, petrochemical thermal management, and engine thermal sensing.

For engineers reviewing the MCP96RL00-E/MX datasheet, MCP96RL00-E/MX pinout, MCP96RL00-E/MX application, or MCP96RL00-E/MX equivalent, key selection considerations include its 20-lead MQFN package, thermocouple open/short-circuit detection capability (MCP96RL01 only), programmable alert hysteresis up to +255°C, burst-mode sampling (1–128 samples), and NIST ITS-90-compliant error correction across eight thermocouple types.

Technical Context

The MCP96RL00-E/MX implements thermocouple voltage conversion using an 18-bit delta-sigma ADC core with on-chip NIST ITS-90 polynomial coefficients applied in the millivolt domain before final °C output. Its cold-junction sensor is monolithically integrated and calibrated to ±1.0°C/±2.0°C (typ./max.) over –40°C to +125°C ambient.

It supports four independent, user-configurable alert outputs with selectable polarity (active-high/low), comparator or interrupt mode, rising/falling edge detection, and programmable hysteresis - enabling multi-zone thermal supervision without external logic. The device operates from 2.7V to 5.5V and draws only 300 µA typical active current.

Key Specifications

Parameter	Value and Actual Design Meaning
Hot-Junction Accuracy	±4.0°C (typ.), ±8.0°C (max.) at 0°C to +85°C ambient - defines worst-case deviation from true thermocouple temperature under standard lab conditions
Temperature Resolution	0.0625°C - enables fine-grained thermal control loops and precise setpoint tracking in closed-loop systems
I²C Interface Speed	100 kHz standard-mode - compatible with legacy microcontrollers and allows up to eight devices per bus via ADDR pin configuration
Operating Voltage	2.7V to 5.5V - supports direct connection to 3.3V or 5V system rails without level-shifting
Supply Current	300 µA typical (I²C inactive), 2 µA typical shutdown - suitable for battery-powered handheld test equipment with multi-day runtime
Thermocouple Types	Type K, J, T, N, E, B, S, R - full NIST ITS-90 compliance ensures traceable calibration across industrial and scientific applications
Alert Outputs	Four programmable push-pull outputs - each independently configurable for hot/cold junction, rising/falling threshold, and 0–255°C hysteresis

Pinout & Package

Package: 20-lead 5 mm × 5 mm MQFN with exposed thermal pad (EP). Pin 1 marked by dot; pins 1, 3, 5, 13, and 17 are electrical ground; pins 6, 7, 9, 10, and 18 must be connected to ground for proper operation.

Pin/Terminal	Circuit Role	Design Meaning
1, 3, 5, 13, 17	GND	Electrical ground reference for analog and digital sections - multiple connections reduce ground impedance and improve noise immunity
2	VIN+	Positive thermocouple input - accepts differential EMF from all supported thermocouple types with ±250 mV common-mode range
4	VIN-	Negative thermocouple input - forms differential pair with VIN+; high CMRR (105 dB) rejects ambient EMI
8	VDD	Power supply input - supplies internal LDOs, ADC, and I²C interface; decoupling capacitor required at pin
11–14	Alert 1–4	Programmable push-pull outputs - drive LEDs, optocouplers, or MCU interrupts directly; no external pull-ups needed
15, 16	SDA, SCL	I²C bidirectional data and clock - compliant with SMBus timing; supports clock stretching for reliable read operations
19	ADDR	I²C address select - sets one of eight possible addresses (0–7) via voltage divider or direct VDD/GND tie
20	EP	Exposed thermal pad - must be soldered to PCB ground plane for thermal dissipation and signal integrity

Key Features

Feature	Design Value
NIST ITS-90 thermocouple conversion	On-chip polynomial evaluation eliminates need for host MCU lookup tables or floating-point math - reduces firmware complexity and latency
Programmable digital filter	Configurable low-pass filtering suppresses transient thermal noise without sacrificing response time - critical for furnace ramp/soak control
Burst sampling mode	Acquires 1–128 consecutive samples then enters low-power state - optimizes energy use in portable thermal loggers
Four independent alert outputs	Each monitors distinct temperature zones or thresholds (e.g., overtemp, undercool, delta-T alarm) - replaces discrete comparators and logic
Integrated cold-junction compensation	Monolithic silicon sensor eliminates external RTD or thermistor - simplifies layout and improves long-term stability

Applications

Industrial Oven Control	Petrochemical Thermal Monitoring
Use Scenario: Precise temperature profiling during heat-treating cycles in batch ovens used for metal annealing and curing composites. IC Role / Device Role / Timing Role: Primary thermocouple interface IC converting raw EMF to calibrated °C with cold-junction compensation and real-time alerting. Use Value: Enables ±4.0°C accuracy across 0°C–85°C ambient, supporting ISO 9001-compliant process validation without external calibration hardware.	Use Scenario: Continuous monitoring of pipeline wall temperatures in upstream oil & gas facilities exposed to wide ambient swings (–40°C to +125°C). IC Role / Device Role / Timing Role: High-reliability thermocouple digitizer with robust ESD protection (4 kV HBM) and extended temperature operation. Use Value: Delivers stable readings despite thermal gradients and vibration, reducing false alarms and unplanned shutdowns in safety-critical infrastructure.
Hand-Held Temperature Meter	Engine Thermal Management
Use Scenario: Battery-powered field instrument measuring exhaust gas, coolant, or bearing temperatures during equipment commissioning and maintenance. IC Role / Device Role / Timing Role: Low-power thermocouple frontend with shutdown mode (2 µA) and burst sampling for extended runtime. Use Value: Achieves >100 hours of operation on two AA cells while maintaining 0.0625°C resolution and multi-type thermocouple support.	Use Scenario: Real-time thermal supervision of diesel generator cylinder heads and turbochargers in marine and backup power systems. IC Role / Device Role / Timing Role: Dual-junction monitor computing hot-junction (TC) and cold-junction (T_C) simultaneously for delta-T diagnostics. Use Value: Detects abnormal thermal gradients indicating coolant flow restriction or combustion imbalance before catastrophic failure occurs.

Industrial Oven Control

Petrochemical Thermal Monitoring

Use Scenario: Precise temperature profiling during heat-treating cycles in batch ovens used for metal annealing and curing composites.

IC Role / Device Role / Timing Role: Primary thermocouple interface IC converting raw EMF to calibrated °C with cold-junction compensation and real-time alerting.

Use Value: Enables ±4.0°C accuracy across 0°C–85°C ambient, supporting ISO 9001-compliant process validation without external calibration hardware.

Use Scenario: Continuous monitoring of pipeline wall temperatures in upstream oil & gas facilities exposed to wide ambient swings (–40°C to +125°C).

IC Role / Device Role / Timing Role: High-reliability thermocouple digitizer with robust ESD protection (4 kV HBM) and extended temperature operation.

Use Value: Delivers stable readings despite thermal gradients and vibration, reducing false alarms and unplanned shutdowns in safety-critical infrastructure.

Hand-Held Temperature Meter

Engine Thermal Management

Use Scenario: Battery-powered field instrument measuring exhaust gas, coolant, or bearing temperatures during equipment commissioning and maintenance.

IC Role / Device Role / Timing Role: Low-power thermocouple frontend with shutdown mode (2 µA) and burst sampling for extended runtime.

Use Value: Achieves >100 hours of operation on two AA cells while maintaining 0.0625°C resolution and multi-type thermocouple support.

Use Scenario: Real-time thermal supervision of diesel generator cylinder heads and turbochargers in marine and backup power systems.

IC Role / Device Role / Timing Role: Dual-junction monitor computing hot-junction (TC) and cold-junction (T_C) simultaneously for delta-T diagnostics.

Use Value: Detects abnormal thermal gradients indicating coolant flow restriction or combustion imbalance before catastrophic failure occurs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar thermocouple interface applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MAX31855KASA+	Higher hot-junction accuracy (±2°C typ.), but only supports Type K; no programmable alerts or burst mode; SPI-only interface	Better for single-type, high-accuracy K-thermocouple systems where I²C is not required and alert logic is handled externally	Select MAX31855KASA+ when absolute Type K precision outweighs flexibility in thermocouple type, interface, and alert architecture
AD8495ARMZ	Analog output amplifier (mV/°C), requires external ADC and cold-junction sensor; no built-in NIST correction or digital interface	Suitable for designs with existing high-resolution ADCs and custom calibration routines; adds design complexity but offers analog flexibility	Choose AD8495ARMZ when system already includes precision ADC and firmware resources for custom ITS-90 implementation

Compared with MAX31855KASA+ and AD8495ARMZ, the MCP96RL00-E/MX provides broader thermocouple type support, integrated digital interface, and autonomous alerting - reducing BOM count and firmware overhead in multi-sensor industrial systems.

Availability

MCP96RL00-E/MX is available at Aetrix Electronics and suitable for industrial oven control, petrochemical thermal monitoring, and hand-held temperature meter applications requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.

Supply support for MCP96RL00-E/MX includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions, headquartered in Chandler, Arizona, with global design, manufacturing, and sales operations.

The MCP96RL00-E/MX belongs to Microchip's thermocouple interface product line, designed specifically for cost-sensitive industrial and commercial applications where moderate accuracy, low power, and ease of integration outweigh premium performance requirements.

FAQ

What thermocouple types does the MCP96RL00-E/MX support?

The MCP96RL00-E/MX supports eight thermocouple types per NIST ITS-90: Type K, J, T, N, E, B, S, and R. Configuration is performed via internal registers; no hardware changes are needed to switch types. Each type uses dedicated polynomial coefficients stored on-die for accurate EMF-to-°C conversion.

Does the MCP96RL00-E/MX include thermocouple open-circuit or short-circuit detection?

No - open-circuit and short-circuit detection is implemented only in the MCP96RL01 variant (not MCP96RL00-E/MX). The MCP96RL00-E/MX lacks VSENSE, OC Alert, and SC Alert pins. Users requiring fault detection must implement external circuitry or select the RL01 version.

What is the maximum sampling rate of the MCP96RL00-E/MX at full 18-bit resolution?

At 18-bit resolution, the MCP96RL00-E/MX achieves a conversion time of 320 ms per sample. This includes ADC acquisition, NIST ITS-90 calculation, and register update. Lower resolutions (12–16 bit) reduce this to 5–80 ms, enabling faster thermal event capture when absolute precision is relaxed.

How many MCP96RL00-E/MX devices can share the same I²C bus?

Up to eight MCP96RL00-E/MX devices can operate on a single I²C bus. The ADDR pin accepts eight discrete voltage levels (0–7), each corresponding to a unique 7-bit I²C address (0xC0–0xC7). No external address jumpers or EEPROM programming are required.

What is the cold-junction accuracy specification for the MCP96RL00-E/MX?

The MCP96RL00-E/MX cold-junction sensor has an accuracy of ±1.0°C (typical) and ±2.0°C (maximum) over the full –40°C to +125°C ambient temperature range. This value is specified at VDD = 3.3V and contributes directly to total hot-junction error when computing TH = TC + TΔ.

MCP96RL00-E/MX Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Package/Case:: 20-VQFN Exposed Pad

Series:: -

Packaging:: Tube

Product Status:: Active

Programmable:: Not Verified

Type:: Thermocouple to Digital Converter

Input Type:: Thermocouple

Output Type:: I2C

Current - Supply:: 300 µA

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 20-MQFN (5x5)

MCP96RL00-E/MX FAQ

1.How can I place an order for MCP96RL00-E/MX through Aetrix?

Please submit a Request for Quotation (RFQ) for MCP96RL00-E/MX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MCP96RL00-E/MX reliable?

The price and inventory of MCP96RL00-E/MX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP96RL00-E/MX is usually 5 days.

3.What payment methods are accepted for MCP96RL00-E/MX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP96RL00-E/MX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MCP96RL00-E/MX?

MCP96RL00-E/MX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MCP96RL00-E/MX order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MCP96RL00-E/MX?

For technical support, including MCP96RL00-E/MX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP96RL00-E/MX requirements.

6.How does Aetrix verify that MCP96RL00-E/MX is sourced from the original manufacturer or authorized distributors?

All MCP96RL00-E/MX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCP96RL00-E/MX meets industry standards.

7.What is the process for return or replacement of MCP96RL00-E/MX?

All MCP96RL00-E/MX units undergo pre-shipment inspection (PSI). If there is an issue with MCP96RL00-E/MX, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MCP96RL00-E/MX part is unused and in its original packaging.

Return procedure for MCP96RL00-E/MX:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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